Percy & Reed Give Me Strength Strengthening Shampoo 250mlWhether you suffer from hair breaking due to damage caused by excess heat or color, or it is naturally fragile, our dermatologically tested and clinically proven shampoo is the start of the ultimate solution to improve hair strength, and help reduce hair breakage. This ingenious formula, which includes keratin, caffeine and other key nutrients, helps to strengthen hair by penetrating the hair shaft with moisture to improve its elasticity, meaning it